Split up ios/web:test_support.

ios/web/public/test/response_providers/html_response_provider.mm

-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#import "ios/web/public/test/response_providers/html_response_provider.h"
-
-#import "ios/web/public/test/response_providers/response_provider.h"
-#include "url/gurl.h"
-
-HtmlResponseProvider::HtmlResponseProvider()
-    : response_provider_impl_(new HtmlResponseProviderImpl()) {}
-
-HtmlResponseProvider::HtmlResponseProvider(
-    const std::map<GURL, std::string>& responses)
-    : response_provider_impl_(new HtmlResponseProviderImpl(responses)) {}
-
-HtmlResponseProvider::HtmlResponseProvider(
-    const std::map<GURL, std::pair<std::string, std::string>>& responses)
-    : response_provider_impl_(new HtmlResponseProviderImpl(responses)) {}
-
-HtmlResponseProvider::HtmlResponseProvider(
-    const std::map<GURL, HtmlResponseProviderImpl::Response>& responses)
-    : response_provider_impl_(new HtmlResponseProviderImpl(responses)) {}
-
-HtmlResponseProvider::~HtmlResponseProvider() {}
-
-bool HtmlResponseProvider::CanHandleRequest(
-    const web::ResponseProvider::Request& request) {
-  return response_provider_impl_->CanHandleRequest(request);
-}
-
-void HtmlResponseProvider::GetResponseHeadersAndBody(
-    const Request& request,
-    scoped_refptr<net::HttpResponseHeaders>* headers,
-    std::string* response_body) {
-  response_provider_impl_->GetResponseHeadersAndBody(request, headers,
-                                                     response_body);
-}